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In the American League, the following pitchers struck out all four batters in consecutive order: Scott Baker, A.J. Burnett, Mike Cuellar, Mike Paxton, Bobby Witt, Kevin Appier, Wilson Alvarez, Chuck Finley, Kazuhiro Sasaki, Justin Masterson, Jeremy Hellickson, Ryan Cook, Steve Delabar, Phil Hughes and Alex Cobb.
In the National League, the following pitchers struck out all four batters in consecutive order: Ed Crane, Hooks Wiltse, Jim Davis, Pete Richert, Don Drysdale, Bill Bonham, Kirt Ojala, Steve Kline, Octavio Dotel, Jason Berken, Craig Kimbrel, Zack Greinke, and Kenley Jansen.
On September 30, 1885, Bobby Mathews became the 1st and only pitcher in the American Association to strikeout 4 in an inning. In the 1908 World Series, Orval Overall became the 1st and only pitcher to accomplish the feat during a Fall Classic.
